<template>
	<view>
		<!-- head -->
		<view class="head-area" :style="{ height: `${headHeight}rpx` }">
			<u-navbar
				:is-fixed="false"
				:border-bottom="false"
				:is-back="true"
				:custom-back="navBack"
				:title="isWeixin ? '' : option.navTitle"
				:back-icon-name="option.navBackIcon || 'arrow-leftward'"
				back-icon-color="#fff"
				back-icon-size="35"
				:background="{ background: 'transparent' }"
				title-color="#fff"
			>
				<view class="nav-title" v-if="isWeixin">{{ option.navTitle }}</view>
				<view class="nav-right" slot="right" v-if="option.manageBtn" @click="manageSwitch = !manageSwitch">
					{{ manageSwitch ? '完成' : '管理' }}
				</view>
			</u-navbar>
			<view class="search-item" v-if="option.searchShow">
				<u-search
					placeholder="搜索内容"
					v-model="searchValue"
					@search="onSearch(searchValue)"
					@clear="onSearch(searchValue)"
					shape="square"
					bg-color="#8EAAFF"
					placeholder-color="#5470C4"
					color="#fff"
					search-icon-color="#ffffffE5"
					:clearabled="true"
					:show-action="false"
				></u-search>
			</view>
		</view>
		<!-- head seat -->
		<view :style="{ height: `${headHeight}rpx` }"></view>
		<!-- list -->
		<block v-if="data && data.length > 0">
			<view class="" v-for="(item, index) in data" :key="index">
				<crud-item
					:ref="`crud-item${index}`"
					:list="data"
					:node="item"
					:option="option"
					:nodeIndex="index"
					:checkList="checkList"
					:checkShow="manageSwitch"
					:random-num="randomNum"
				></crud-item>
			</view>
			<view style="padding: 20rpx 0;"><slot name="loadmore"></slot></view>
		</block>
		<!-- foot -->
		<block v-if="manageSwitch">
			<view :style="[{ height: isFullSucreen ? '168rpx' : '100rpx' }]"></view>
			<view class="foot flex" v-if="manageSwitch" :class="[isFullSucreen ? 'foot-ipx' : '']">
				<checkbox-group @change="onCheckedAll">
					<label class="well-check flex flex-c">
						<checkbox
							color="#fff"
							style="transform: scale(0.7)"
							value="allSelect"
							:checked="checkedAll"
							class="curdCheck"
						></checkbox>
						<text class="checkAll">全选 ({{ checkList.length }})</text>
					</label>
				</checkbox-group>
				<view class=""><view class="foot-del-btn" @click="onRemove">删除</view></view>
			</view>
		</block>
		<!-- form -->
		<u-popup
			v-model="createShow"
			safe-area-inset-bottom
			border-radius="14"
			mode="bottom"
			closeable
			@close="onCreateClose"
			:mask-close-able="false"
		>
			<view class="popup-head"><u-section :title="action" :right="false" line-color="#fa3534"></u-section></view>
			<scroll-view scroll-y="true" style="height: 68vh;">
				<view class="form">
					<block v-if="formType == 'uviewForm'">
						<u-form :model="value" ref="uForm" :label-width="option.labelWidth || 160"><slot name="form"></slot></u-form>
					</block>
					<block v-else><slot name="form"></slot></block>
				</view>
			</scroll-view>
			<view class="form-btn">
				<u-button
					v-if="action != '查看'"
					@click="onSubmit"
					:loading="disabled"
					shape="circle"
					ripple
					:custom-style="{ width: '100%', background: 'linear-gradient(90deg, #69b0ff, #fa3534)', color: '#fff' }"
				>
					保存
				</u-button>
			</view>
		</u-popup>
		<!-- addBtn -->
		<movable-area class="movable-area">
			<movable-view class="movable-view" :x="moveX" :y="moveY" direction="all">
				<image src="@/static/images/crud/create.png" @click="onCreateOpen"></image>
			</movable-view>
		</movable-area>
		<!-- empty -->
		<slot name="empty">
			<block v-if="data.length == 0">
				<u-empty text="工作再忙，也要记得喝水～" margin-top="200" :src="require('@/static/images/crud/empty.png')"></u-empty>
			</block>
		</slot>
	</view>
</template>

<script>
import crudItem from './components/crud-item/index'
import { checkModel } from './util/tool.js'
import validate from './util/validate.js'
export default {
	name: 'rider-crud',
	components: { crudItem },
	props: {
		value: {}, // 表单
		data: Array, // 列表
		// 配置
		option: {
			type: Object,
			default: {
				column: []
			}
		},
		// 表单类型
		formType: {
			type: String,
			default: 'uviewForm'
		},
		// 返回事件
		navBack: {
			type: Function,
			default: null
		},
		rules: {}, // 校验规则
		readonly: {
			type: Boolean,
			default: false
		}
	},
	data() {
		return {
			isFullSucreen: checkModel(),
			moveX: 320, //添加按钮坐标
			moveY: 580,
			checkedAll: false, //全选
			checkList: [], //选中值
			createShow: false, //form弹窗
			disabled: false, // 操作按钮
			action: '新增',
			searchValue: '',
			isWeixin: false,
			manageSwitch: false,
			headHeight: 0,
			randomNum: Math.round(Math.random() * 99999) // 随机数，防止uni.on重复调用
		}
	},
	watch: {
		manageSwitch: {
			handler(newVal, oldVal) {
				this.checkList = []
				this.checkedAll = false
			},
			deep: true,
			immediate: true
		},
		'option.searchShow': {
			handler(newVal, oldVal) {
				const that = this
				this.headHeight = newVal ? 192 : 98
				// #ifndef H5
				uni.getSystemInfo({
					success: function(res) {
						const statusBarHeight = Number(res.statusBarHeight) + Number(res.platform == 'ios' ? 44 : 48)
						that.headHeight = newVal ? statusBarHeight + 192 : statusBarHeight + 98
					}
				})
				// #endif
			},
			deep: true,
			immediate: true
		}
	},
	// 通信事件
	created() {
		let that = this
		uni.$on(`action${this.randomNum}`, ({ index }, i, list) => {
			that.onActionClick({ index }, i, list)
		})
		uni.$on(`checked${this.randomNum}`, (e, id) => {
			that.onChecked(e, id)
		})

		// #ifdef MP-WEIXIN
		this.isWeixin = true
		//  #endif
		// #ifndef MP-WEIXIN
		this.isWeixin = false
		// #endif
	},

	methods: {
		setLazyLoad(func) {
			this.option.lazyLoad = func
			setTimeout(() => {
				this.data.forEach((d, i) => {
					this.$refs[`crud-item${i}`][0].setLazyLoad(func)
				})
			}, 100)
		},

		// 选择
		onChecked(e, id) {
			const i = e.detail.value[0]
			if (i) this.checkList.push(i)
			else this.checkList.splice(this.checkList.findIndex(e => e === id), 1)
			this.checkedAll = this.checkList.length === this.data.length
		},
		// 全选
		onCheckedAll() {
			if (!this.checkedAll) {
				this.checkedAll = true
				this.checkList = []
				this.data.map(e => {
					this.checkList.push(e.id)
				})
			} else {
				this.checkedAll = false
				this.checkList = []
			}
		},
		// 元素点击
		onClick(item, index) {
			const action = { name: '查看' }
			const data = JSON.parse(JSON.stringify(item))
			this.$emit('input', data)
			this.$emit('action-click', { index, data, actionIndex: -1, action, done: this.show })
			this.action = action.name
		},
		// 底部删除
		onRemove() {
			if (this.checkList.length === 0) {
				uni.showToast({
					title: '请选择至少一条数据',
					icon: 'none',
					duration: 2000
				})
				return
			}
			this.$emit('del', this.checkList.join(','))
		},
		// 打开弹窗
		onCreateOpen() {
			this.action = '新增'
			this.$emit('action-click', { action: { name: this.action }, done: this.show })
		},
		// 关闭弹窗
		onCreateClose() {
			this.hide()
		},
		// 添加保存
		onSubmit() {
			this.disabled = true
			const data = JSON.parse(JSON.stringify(this.value))
			if (this.formType == 'uviewForm') {
				// #ifdef MP
				validate(this.value, this.rules)
					.then(() => {
						this.$emit('submit', data, this.action, this.unloading, this.hide)
					})
					.catch(() => {
						this.unloading()
					})
				// #endif
				// #ifndef MP
				this.$refs.uForm.validate(valid => {
					if (valid) {
						this.$emit('submit', data, this.action, this.unloading, this.hide)
					} else {
						this.unloading()
					}
				})
				// #endif
			} else {
				validate(this.value, this.rules)
					.then(() => {
						debugger
						this.$emit('submit', data, this.action, this.unloading, this.hide)
					})
					.catch(() => {
						this.unloading()
					})
			}
		},
		// 左滑按钮点击
		onActionClick({ index }, i, list) {
			let action
			if (index == -1) action = { name: '查看' }
			else action = this.option.actions[index]
			const data = JSON.parse(JSON.stringify(list[i]))
			if (['新增', '编辑', '查看'].includes(action.name)) this.$emit('input', data)
			this.$emit('action-click', { index: i, data, actionIndex: index, action, done: this.show })
			// this.action = action.name
			this.$set(this, 'action', action.name)
		},

		//全选删除后回调
		allCheckHide(val) {
			if (this.checkedAll) this.manageSwitch = val
			this.checkList = []
		},

		// 搜索
		onSearch(val) {
			this.$emit('search', val)
		},
		show() {
			this.createShow = true
			setTimeout(() => {
				if (this.rules && this.$refs['uForm'] && typeof this.$refs['uForm'].setRules == 'function') {
					this.$refs['uForm'].setRules(this.rules)
				}
			}, 100)
		},
		hide() {
			this.createShow = false
			this.disabled = false
			this.$emit('input', {})
			this.$emit('update:readonly', false)
		},
		unloading() {
			this.disabled = false
		},
		hideChildren() {
			this.data.forEach((d, i) => {
				this.$refs[`crud-item${i}`][0].hide()
			})
		}
	}
}
</script>

<style lang="scss" scoped>
.flex {
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.flex-one {
	flex: 1;
}

.head-area {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 999;
	width: 100%;
	background: url('/static/images/head_bg.png') no-repeat center bottom;
	background-size: 100% 100%;

	.nav-right {
		color: #fff;
		font-size: 30rpx;
		font-weight: normal;
		padding-right: 30rpx;
	}

	.nav-title {
		color: #fff;
		font-size: 32rpx;
		font-weight: normal;
	}

	.search-item {
		padding: 0 30rpx;
	}
}

.head-h {
	height: 200rpx;
}

/* 底部 */
/* 适配 */
.foot-ipx {
	bottom: 68rpx !important;
}

.foot-ipx::after {
	content: ' ';
	position: fixed;
	bottom: 0 !important;
	left: 0;
	right: 0;
	height: 68rpx !important;
	width: 100%;
	background: #fff;
}

.foot {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 99;
	width: 100%;
	padding: 0 26rpx;
	height: 100rpx;
	background: #fff;
	border-top: 2px solid #eee;

	&-del-btn {
		width: 160rpx;
		height: 64rpx;
		line-height: 64rpx;
		font-size: 26rpx;
		// color: #fff;
		text-align: center;
		border-radius: 34px;
		// background: linear-gradient(180deg, #fa3534, #69b0ff);
		color: #f56c6c;
		background: #fef0f0;
	}
}

.form {
	padding: 0 30rpx 20rpx;
}

.popup-head {
	padding: 36rpx 30rpx;
	border-bottom: 2rpx dashed #efefef;
}

.form-btn {
	margin: 30rpx;
	min-height: 80rpx;
}

.movable-area {
	height: 100vh;
	width: 100%;
	top: 0;
	position: fixed;
	pointer-events: none;

	.movable-view {
		width: 96rpx;
		height: 96rpx;
		pointer-events: auto;

		image {
			width: 96rpx;
			height: 96rpx;
		}
	}
}
</style>
